21768148

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6661}}^1$

素因数の和:6727

約数の個数: 24

約数和(自身を含む): 41037920

約数和(自身を除く): 19269772

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 6661, 13322, 26644, 126559, 253118, 286423, 506236, 572846, 1145692, 5442037, 10884074, 21768148]

約数ペア:

[(1, 21768148), (2, 10884074), (4, 5442037), (19, 1145692), (38, 572846), (43, 506236), (76, 286423), (86, 253118), (172, 126559), (817, 26644), (1634, 13322), (3268, 6661)]